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Center of Gravity, Surge, and Outage

Surge, the shift in a tank's cargo that affects handling, is a required knowledge area under 49 CFR 383.119(a), (e), and (f). Center of gravity and outage are related concepts covered by this same topic, addressed through the manual topic map rather than named directly in 383.119.

Practice Center of Gravity, Surge, and Outage

5 Questions

  1. 49 CFR 383.119 lists the areas a tank vehicle endorsement applicant must have knowledge of. Which of the following appears on that list?
  2. A tanker and a flatbed are loaded to the same gross weight and driven down the same ramp. Why is the tanker the one more likely to roll over?
  3. You bring a partly loaded tanker to a stop on an icy street. What can the liquid inside do as you stop?
  4. A tank vehicle is never loaded right to the top. Why is that space at the top left empty, and does the same amount of it work for every cargo?
  5. You are told to load a tank with a dense liquid such as an acid. According to CDL manual guidance, what three things govern how much of it you can put in?